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1 /* | 1 /* |
2 * Copyright (C) Research In Motion Limited 2010. All rights reserved. | 2 * Copyright (C) Research In Motion Limited 2010. All rights reserved. |
3 * | 3 * |
4 * This library is free software; you can redistribute it and/or | 4 * This library is free software; you can redistribute it and/or |
5 * modify it under the terms of the GNU Library General Public | 5 * modify it under the terms of the GNU Library General Public |
6 * License as published by the Free Software Foundation; either | 6 * License as published by the Free Software Foundation; either |
7 * version 2 of the License, or (at your option) any later version. | 7 * version 2 of the License, or (at your option) any later version. |
8 * | 8 * |
9 * This library is distributed in the hope that it will be useful, | 9 * This library is distributed in the hope that it will be useful, |
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 * Library General Public License for more details. | 12 * Library General Public License for more details. |
13 * | 13 * |
14 * You should have received a copy of the GNU Library General Public License | 14 * You should have received a copy of the GNU Library General Public License |
15 * along with this library; see the file COPYING.LIB. If not, write to | 15 * along with this library; see the file COPYING.LIB. If not, write to |
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
17 * Boston, MA 02110-1301, USA. | 17 * Boston, MA 02110-1301, USA. |
18 */ | 18 */ |
19 | 19 |
20 #ifndef SVGTextLayoutEngineSpacing_h | 20 #ifndef SVGTextLayoutEngineSpacing_h |
21 #define SVGTextLayoutEngineSpacing_h | 21 #define SVGTextLayoutEngineSpacing_h |
22 | 22 |
23 #include "wtf/Allocator.h" | 23 #include "platform/wtf/Allocator.h" |
24 #include "wtf/Noncopyable.h" | 24 #include "platform/wtf/Noncopyable.h" |
25 #include "wtf/text/Unicode.h" | 25 #include "platform/wtf/text/Unicode.h" |
26 | 26 |
27 namespace blink { | 27 namespace blink { |
28 | 28 |
29 class Font; | 29 class Font; |
30 | 30 |
31 // Helper class used by SVGTextLayoutEngine to handle 'letter-spacing' and | 31 // Helper class used by SVGTextLayoutEngine to handle 'letter-spacing' and |
32 // 'word-spacing'. | 32 // 'word-spacing'. |
33 class SVGTextLayoutEngineSpacing { | 33 class SVGTextLayoutEngineSpacing { |
34 STACK_ALLOCATED(); | 34 STACK_ALLOCATED(); |
35 WTF_MAKE_NONCOPYABLE(SVGTextLayoutEngineSpacing); | 35 WTF_MAKE_NONCOPYABLE(SVGTextLayoutEngineSpacing); |
36 | 36 |
37 public: | 37 public: |
38 SVGTextLayoutEngineSpacing(const Font&, float effective_zoom); | 38 SVGTextLayoutEngineSpacing(const Font&, float effective_zoom); |
39 | 39 |
40 float CalculateCSSSpacing(UChar current_character); | 40 float CalculateCSSSpacing(UChar current_character); |
41 | 41 |
42 private: | 42 private: |
43 const Font& font_; | 43 const Font& font_; |
44 UChar last_character_; | 44 UChar last_character_; |
45 float effective_zoom_; | 45 float effective_zoom_; |
46 }; | 46 }; |
47 | 47 |
48 } // namespace blink | 48 } // namespace blink |
49 | 49 |
50 #endif | 50 #endif |
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